title: A solitary ulcer of the tongue: a quiz. Primary syphilitic chancre of the tongue.
authors.affiliation: Department of Dermatopathology, St John's Institute of Dermatology St Thomas' Hospital, Westminster Road, SE1 7EH London, United Kingdom. masingh@doctors.org.uk.
authors.forename: Manuraj
authors.initials: M
authors.lastname: Singh
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Ficarra
authors.forename: Domenico
authors.initials: D
authors.lastname: Tesi
authors.forename: Daniela
authors.initials: D
authors.lastname: Massi
authors.forename: Catherine M
authors.initials: CM
authors.lastname: Stefanato
mesh_terms: D000328:Adult; D002601:Chancre / Q000473:pathology*; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D014060:Tongue Diseases / Q000382:microbiology* / Q000473:pathology*; D014210:Treponema pallidum / Q000302:isolation & purification